Phase 3 abgeschlossen

Fix: Streamlink auth header entfernt, mpv-Pfad explizit aufgelöst
Livestream wird kann jetzt abgespielt werden

src/main/playback/mpvController.ts

@@ -0,0 +1,61 @@
+import * as net from 'node:net'
+import * as os from 'node:os'
+import * as path from 'node:path'
+
+export function getMpvIpcPath(): string {
+  if (process.platform === 'win32') {
+    return '\\\\.\\pipe\\twitch4sd-mpv'
+  }
+  return path.join(os.tmpdir(), 'twitch4sd-mpv.sock')
+}
+
+export class MpvController {
+  private socket: net.Socket | null = null
+
+  constructor(private ipcPath: string) {}
+
+  async connect(retries = 12, delayMs = 250): Promise<void> {
+    for (let i = 0; i < retries; i++) {
+      try {
+        await this._tryConnect()
+        return
+      } catch {
+        if (i < retries - 1) {
+          await new Promise<void>((r) => setTimeout(r, delayMs))
+        }
+      }
+    }
+    console.warn('[mpv] IPC connect failed after', retries, 'retries — continuing without IPC')
+  }
+
+  private _tryConnect(): Promise<void> {
+    return new Promise((resolve, reject) => {
+      const sock = net.createConnection({ path: this.ipcPath })
+      sock.once('connect', () => {
+        this.socket = sock
+        sock.on('error', () => {
+          /* ignore socket errors after connect */
+        })
+        resolve()
+      })
+      sock.once('error', reject)
+    })
+  }
+
+  quit(): void {
+    if (this.socket?.writable) {
+      try {
+        this.socket.write(JSON.stringify({ command: ['quit'] }) + '\n')
+      } catch {
+        /* ignore */
+      }
+    }
+    this.socket?.destroy()
+    this.socket = null
+  }
+
+  disconnect(): void {
+    this.socket?.destroy()
+    this.socket = null
+  }
+}